patients, worsening of depression, including risk of suicide, may occur. intermezzo, like most sleep medicines, has some risk of dependency. common side effects are headache, nausea, and fatigue. so if you suffer from middle-of-the-night insomnia, ask your doctor about intermezzo and return to sleep again. ♪ in taste, freshness, and nutrition? it's eb. eggland's best. better eggs. it's eb. eggland's best. better eggs. ♪ (train horn) vo: wherever our trains go, the economy comes to life. norfolk southern. one line, infinite possibilities. tonight, guns in america. >> these massacres don't seem to stop. >> democrats take direct aim at assault weapons. >> we should be outraged by how easy it is for perpetrators of these horrific crimes to obtain powerful military-style weapons. >> will a sweeping new bill make america safer? i'll talk to lawmakers backing it. >> newt gingrich on the second amendment and obama's bill. and girls live from the shooting range. why they want their ar-15s. and my interview with the uncle of a new mexico boy charged with killing four members of his family.